Home / 18,414.76-25,412.36-10,031.26

Finding the Fourth Proportional to 18,414.76, 25,412.36 and 10,031.26

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Solution

The fourth proportional to 18,414.76, 25,412.36 and 10,031.26 is: 13,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.76 : 25,412.36 = 10,031.26 : x
  2. Step 2: Convert to fraction form
    18,414.76/25,412.36 = 10,031.26/x
  3. Step 3: Cross multiply
    18,414.76x = 25,412.36 × 10,031.26
  4. Step 4: Simplify right side
    18,414.76x = 254,917,990.37
  5. Step 5: Solve for x
    x = 254,917,990.37/18,414.76
  6. Step 6: Final answer
    x = 13,843.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.